PIC18F1220_07 Datasheet, PDF (262/308 Pages) Microchip Technology – 18/20/28-Pin High-Performance, Enhanced Flash Microcontrollers with 10-bit A/D and nanoWatt Technology

PIC18F1220/1320
FIGURE 22-8:
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND
POWER-UP TIMER TIMING
VDD
MCLR
Internal
POR
PWRT
Time-out
OSC
Time-out
Internal
Reset
Watchdog
Timer
Reset
33
32
I/O pins
Note: Refer to Figure 22-5 for load conditions.
30
31
34
34
FIGURE 22-9:
BROWN-OUT RESET TIMING
VDD
VIRVST
BVDD
35
Enable Internal
Reference Voltage
Internal Reference
36
Voltage Stable
VBGAP = 1.2V
DS39605F-page 260
© 2007 Microchip Technology Inc.